/*
* Copyright (c) 1998-2010 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Charles Reich
*/
package com.caucho.quercus.lib.simplexml;
import com.caucho.quercus.annotation.ReturnNullAsFalse;
import com.caucho.quercus.env.Env;
import com.caucho.quercus.env.NullValue;
import com.caucho.quercus.env.QuercusClass;
import com.caucho.quercus.env.StringValue;
import com.caucho.quercus.env.Value;
/**
* SimpleXMLElement object oriented API facade.
* Also acts as the DOM document.
*/
public class SimpleXMLChildren extends SimpleXMLElement {
protected SimpleXMLChildren(Env env, QuercusClass cls,
SimpleXMLElement parent, String name) {
super(env, cls, parent, name);
}
/**
* Implementation for getting the indices of this class.
* i.e. <code>$a->foo[0]</code>
*/
@Override
public Value __get(Env env, Value indexV) {
if (indexV.isString()) {
String name = indexV.toString();
return wrapJava(env, _cls, getAttribute(name));
} else if (indexV.isLongConvertible()) {
int i = indexV.toInt();
if (_children != null && i < _children.size()) {
return wrapJava(env, _cls, _children.get(i));
} else {
return NullValue.NULL;
}
} else {
return NullValue.NULL;
}
}
/**
* Converts node tree to a valid xml string.
*
* @return xml string
*/
@ReturnNullAsFalse
@Override
public StringValue asXML(Env env) {
if (_children != null) {
return _children.get(0).toXML(env);
} else {
return null;
}
}
}